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AR# 31735

Description

MIG v2.3 does not allow changing the Output Drive Strength Extended Mode Register setting from Full Strength to Reduced Strength for the Spartan-3 DDR, Virtex-4 DDR/DDR2 Direct Clocking, Virtex-4 DDR2 SERDES, and Virtex-5 DDR designs. This should be selectable as it is for other MIG designs such as Virtex-5 DDR2.